Detection Condition
WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
The PCM monitors input voltage from right side Camshaft Position (CMP) sensor when engine is running. If PCM does not receive input voltage from right side CMP sensor while PCM receives input signal from Crankshaft Position (CKP) sensor, PCM determines CMP circuit has a malfunction. This is a Continuous Monitor (CM). MIL illuminates if PCM detects malfunction condition during first drive cycle. PENDING CODE is available if PCM detects malfunction condition. FREEZE FRAME DATA is available. DTC is stored in PCM memory.